from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of graybody.
Sorry, no etymologies found.
Emissivity is a “correctin factor” for teh difference between blackbody behavior and graybodies.
Even more basic – and this has been touched on – is that Stefan-Boltzman doenst even awork SB is valid for blackbodies or graybodies, with equivalent emissions at all wavelengths.